Home / 186,817.46-257,813.76-106,256.57

Finding the Fourth Proportional to 186,817.46, 257,813.76 and 106,256.57

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Solution

The fourth proportional to 186,817.46, 257,813.76 and 106,256.57 is: 146,637.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,817.46 : 257,813.76 = 106,256.57 : x
  2. Step 2: Convert to fraction form
    186,817.46/257,813.76 = 106,256.57/x
  3. Step 3: Cross multiply
    186,817.46x = 257,813.76 × 106,256.57
  4. Step 4: Simplify right side
    186,817.46x = 27,394,404,547.33
  5. Step 5: Solve for x
    x = 27,394,404,547.33/186,817.46
  6. Step 6: Final answer
    x = 146,637.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.